CPM Homework Help : PC3 Problem 1-139

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1-139.

Given $f\left(x\right)=\frac{1}{x}+20$ , write an equation for each of the following function operations.

$3f(x)$
Hint (a):
Multiply each term by $3$ .

$-2f(x)$
Hint (b):
Multiply each term by $−2$ .

$\frac { f ( x ) } { 5 }$
Hint (c):
Divide each term by $5$ .

$f\left(\frac{x}{5}\right)$
Step (d):
$f\Big(\frac{x}{5}\Big)=\frac{1}{\Big(\frac{x}{5}\Big)}+20$

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